Streamlight Strion Xenon Flashlight, Black: * Adjustable focus * Water resistant * 2m impact resistance * O-ring sealed * Serialized for identification * Light Source: 3.6V, 6.12-watt, 1.7A (type T-1.5), xenon gas-filled, bi-pin bulb; spare lamp in the tailcap * Lens: Borofloat high temperature glass * Output: 8,700 candela peak beam intensity, 85 lumens typical * Battery: Lithium Ion with on-board safety control circuit, 3.75 Volts, 2,000 mAh minimum, rechargeable up to 500 times * On/Off: pushbutton tailcap - momentary; Rotate tailcap - Constant on